hive-dev mailing list archives

[jira] [Updated] (HIVE-2555) Make the hashmap in map-side group by pluggable

Date

Fri, 18 Nov 2011 02:51:51 GMT

[ https://issues.apache.org/jira/browse/HIVE-2555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Robert Surówka updated HIVE-2555:
---------------------------------
Attachment: HIVE-2555.4.patch
> Make the hashmap in map-side group by pluggable
> -----------------------------------------------
>
> Key: HIVE-2555
> URL: https://issues.apache.org/jira/browse/HIVE-2555
> Project: Hive
> Issue Type: New Feature
> Reporter: Namit Jain
> Assignee: Robert Surówka
> Attachments: HIVE-2555.2.patch, HIVE-2555.3.patch, HIVE-2555.4.patch
>
>
> There are a couple of implementations available (other than java.util.HashMap) - COLT,
TROVE etc. to name a few.
> If the hashmap was pluggable, it would be easy to play around with different hash maps
and tune performance.
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